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Question by Giaddon · Mar 31, 2014 at 06:55 PM · javascriptarrays

Advance through array elements with math (++)?

Hey everyone.

Stupid-simple question here:

I'm using Javascript. I have an array of strings (var textArray). I have the GUI set up to display one string at a time (var activeText), starting with the first element (textArray[0]). When the player hits spacebar, I want to replace the current activeText with the next string in the array, preferably using something simple like ++ applied to the textArray element, but I have no idea what to apply the ++ to.

What's the trick?

Thank you!

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avatar image koray1396 · Mar 31, 2014 at 07:17 PM 0
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define an integer, say someint, everytime spacebar is hit increase it by 1 unless someint = array item count. if it's equal, set it to 0.

then your guitext would be textArray[someint].

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Answer by tanoshimi · Mar 31, 2014 at 07:18 PM

 var textArray = ["stringone", "stringtwo", "stringthree"];
 var i : int = 0;
 
 Update() {
   if(GetKeyDown(KeyCode.Space)){
     i++;    
   }
 
   activeText = textArray[i];
 
 }

?

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avatar image Giaddon · Apr 01, 2014 at 12:03 AM 0
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Thanks a million, both of you! Works great.

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